Pterodactyl-Panel/app/Services/Databases/DatabasePasswordService.php
AreYouScared f0e4764a11 Add Max Concurrent Connections for database users
Closes #1849

Allows database users to be limited to a number of concurrent connections to prevent one user from connecting hundreds of time and bottlenecking the MySQL server.
2020-04-22 06:00:04 -04:00

82 lines
2.5 KiB
PHP

<?php
namespace Pterodactyl\Services\Databases;
use Pterodactyl\Models\Database;
use Pterodactyl\Helpers\Utilities;
use Illuminate\Database\ConnectionInterface;
use Illuminate\Contracts\Encryption\Encrypter;
use Pterodactyl\Extensions\DynamicDatabaseConnection;
use Pterodactyl\Contracts\Repository\DatabaseRepositoryInterface;
class DatabasePasswordService
{
/**
* @var \Illuminate\Database\ConnectionInterface
*/
private $connection;
/**
* @var \Pterodactyl\Extensions\DynamicDatabaseConnection
*/
private $dynamic;
/**
* @var \Illuminate\Contracts\Encryption\Encrypter
*/
private $encrypter;
/**
* @var \Pterodactyl\Contracts\Repository\DatabaseRepositoryInterface
*/
private $repository;
/**
* DatabasePasswordService constructor.
*
* @param \Illuminate\Database\ConnectionInterface $connection
* @param \Pterodactyl\Contracts\Repository\DatabaseRepositoryInterface $repository
* @param \Pterodactyl\Extensions\DynamicDatabaseConnection $dynamic
* @param \Illuminate\Contracts\Encryption\Encrypter $encrypter
*/
public function __construct(
ConnectionInterface $connection,
DatabaseRepositoryInterface $repository,
DynamicDatabaseConnection $dynamic,
Encrypter $encrypter
) {
$this->connection = $connection;
$this->dynamic = $dynamic;
$this->encrypter = $encrypter;
$this->repository = $repository;
}
/**
* Updates a password for a given database.
*
* @param \Pterodactyl\Models\Database|int $database
* @return string
*
* @throws \Throwable
*/
public function handle(Database $database): string
{
$password = Utilities::randomStringWithSpecialCharacters(24);
$this->connection->transaction(function () use ($database, $password) {
$this->dynamic->set('dynamic', $database->database_host_id);
$this->repository->withoutFreshModel()->update($database->id, [
'password' => $this->encrypter->encrypt($password),
]);
$this->repository->dropUser($database->username, $database->remote);
$this->repository->createUser($database->username, $database->remote, $password, $database->max_connections);
$this->repository->assignUserToDatabase($database->database, $database->username, $database->remote);
$this->repository->flush();
});
return $password;
}
}